Table 3. | The Joanna Briggs Institute Critical Appraisal Checklist for quasi-experimental studies |
|
Question number |
Question definition |
|---|---|
| 1 | Is it clear in the study what is the "cause" and what is the "effect" (i.e. there is no confusion about which variable comes first)? |
| 2 | Was there a control group? |
| 3 | Were participants included in any comparisons similar? |
| 4 | Were the participants included in any comparisons receiving similar treatment/care, other than the exposure or intervention of interest? |
| 5 | Were there multiple measurements of the outcome, both pre and post the intervention/exposure? |
| 6 | Were the outcomes of participants included in any comparisons measured in the same way? |
| 7 | Were outcomes measured in a reliable way? |
| 8 | Was follow-up complete and if not, were differences between groups in terms of their follow-up adequately described and analysed? |
| 9 | Was appropriate statistical analysis used? |
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